package com.zyz.E_面向对象.I_继承.final关键字;

/**
 * @author: vick
 * @Date: 2025/3/16
 * @Description:
 * @version: 1.0
 */
public class Test {
    public static void main(String[] args) {
        Son2 son2 = new Son2();
        System.out.println(son2.PI); //3.14
        //son2.PI = 11; //异常。常量无法修改
    }
}
